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$220+ Cheap flights from Duluth (DLH) to Kentucky

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — SDF
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Duluth to Kentucky

Keep the following information in mind while searching for Duluth to Kentucky flight deals. Data was last updated April 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$273
(Delta)

Popular in

July

Cheapest in

January
Provider with most accurate pricing for Duluth Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Louisville Intl flights.
Search Deals
From Duluth Intl to Kentucky
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($36 potential savings vs. average RT price).
Search Deals

Find flight deals from Duluth to Kentucky

Cheapest flights from Duluth to Kentucky
Explore the most affordable flight options available from Duluth to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:16 pmDLH - SDF
1 stop6h 36mDelta
Sun 5/186:19 amSDF - DLH
1 stop5h 54mDelta
Deal found 4/29$273
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/711:27 amDLH - BNA
1 stop4h 28mUnited Airlines
Mon 8/114:57 pmBNA - DLH
1 stop5h 03mUnited Airlines
Deal found 4/29$300
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:03 pmDLH - BNA
1 stop4h 29mDelta
Mon 8/116:40 amBNA - DLH
2 stops10h 55mDelta
Deal found 4/29$453
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:00 pmDLH - SDF
1 stop4h 25mUnited Airlines
Sun 5/187:00 amSDF - DLH
1 stop4h 45mUnited Airlines
Deal found 4/29$482
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/173:00 pmDLH - TYS
1 stop7h 07mUnited Airlines
Mon 5/197:00 amTYS - DLH
1 stop4h 45mUnited Airlines
Deal found 4/27$512
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/174:16 pmDLH - TYS
2 stops6h 35mDelta
Mon 5/195:45 amTYS - DLH
2 stops6h 28mDelta
Deal found 4/27$649

Cheapflights Fare Finder

Customize your flight search to find flights from Duluth to Kentucky that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Duluth to Kentucky that are best for you.

Fly from

Duluth

Fly to

Kentucky

Route

Depart

Return

Price

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Wed 5/14

4:16 pm-11:52 pm

1 stop6h 36m

Louisville Intl

Sun 5/18

6:19 am-11:13 am

1 stop5h 54m

$273

DuluthNashville

DLH - BNA

DLHBNA

Duluth Intl

Thu 8/7

11:27 am-3:55 pm

1 stop4h 28m

Nashville Intl

Mon 8/11

4:57 pm-10:00 pm

1 stop5h 03m

$300

DuluthNashville

DLH - BNA

DLHBNA

Duluth Intl

Thu 8/7

6:03 pm-10:32 pm

1 stop4h 29m

Nashville Intl

Mon 8/11

6:40 am-5:35 pm

2 stops10h 55m

$453

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Wed 5/14

3:00 pm-8:25 pm

1 stop4h 25m

Louisville Intl

Sun 5/18

7:00 am-10:45 am

1 stop4h 45m

$482

DuluthKnoxville

DLH - TYS

DLHTYS

Duluth Intl

Sat 5/17

3:00 pm-11:07 pm

1 stop7h 07m

Knoxville McGhee Tyson

Mon 5/19

7:00 am-10:45 am

1 stop4h 45m

$512

DuluthKnoxville

DLH - TYS

DLHTYS

Duluth Intl

Sat 5/17

4:16 pm-11:51 pm

2 stops6h 35m

Knoxville McGhee Tyson

Mon 5/19

5:45 am-11:13 am

2 stops6h 28m

$649

DuluthKnoxville

DLH - TYS

DLHTYS

Duluth Intl

Sat 5/31

5:10 am-1:14 pm

2 stops7h 04m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Best time to book a flight from Duluth to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Duluth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Duluth to Kentucky

Rainfall in Kentucky by month

Plan your trip to Kentucky by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kentucky ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Kentucky when rainfall is around 3.1 in.

Temperature in Kentucky by month

Plan your trip to Kentucky by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kentucky, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kentucky. Reviews last updated April 29, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Duluth to Kentucky by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Duluth to Kentucky. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Duluth to Kentucky?

    For a flight from Duluth to Kentucky, you will be flying from Duluth Intl. Duluth Intl (DLH) is just 5.8 mi from the center of the city.

  • What are the most popular routes from Duluth to Kentucky?

    While some choose either Duluth Intl - Knoxville McGhee Tyson or Duluth Intl - Louisville Intl, Duluth Intl - Nashville Intl is the most popular route from Duluth to Kentucky.

  • Can I find deals for flights from Duluth to Kentucky that include hotel bookings?

    Yes. In addition to deals on Duluth to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to Kentucky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to Kentucky.

  • Can I find deals for business class flights from Duluth to Kentucky?

    Yes. Cheapflights offers flight deals from Duluth to Kentucky by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Duluth to Kentucky?

    Currently, January is the cheapest month in which you can book a flight from Duluth to Kentucky (average of $299). Flying from Duluth to Kentucky in April is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Duluth to Kentucky

Discover the top 2 airlines that operate flights from Duluth to Kentucky. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$433FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$409Average$528FlexibilityNo cancel feeOn-time69%

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